Jane Is Considering Using Two Different Tests of Mechanical Aptitude

Multiple Choice

Jane is considering using two different tests of mechanical aptitude, both of which have good evidence of validity, to help select her auto mechanics. From prior research, she knows that the two tests are correlated at .93. Which of the following recommendations would be best to make to Jane?

A) give both tests to all applicants
B) give one test or the other, but not both
C) use neither test because testing is not a good way to select mechanics
D) find another test that has a higher correlation than .93 with either of the other two tests